Philippa Lowthorpe Director Rafe Spall Captain Flint Actor Andrew Scott Lazlov Actor Kelly Macdonald Mrs. Walker Actor Dane Hughes John Walker Actor Orla Hill Susan Walker Actor Teddie-Rose Malleson-Allen Tatty Walker Actor Bobby McCulloch Roger Walker Actor Seren Hawkes Nancy Blackett Actor Hannah Jayne Thorp Peggy Blackett Actor Jessica Hynes Mrs. Jackson Actor Harry Enfield Mr. Jackson Actor Richard Bremmer Actor Fenella Woolgar Actor John Henshaw Actor Andrea Gibb Screenwriter Nick Barton Producer Nick O'Hagan Producer Joe Oppenheimer Producer Jenny Borgars Executive Producer Patrick Fischer Executive Producer Hugo Heppell Executive Producer John Jencks Executive Producer Dan MacRae Executive Producer Alexa Seligman Executive Producer Steve Milne Executive Producer Beth Pattinson Executive Producer Ian Maiden Executive Producer Ilan Eshkeri Original Music Julian Court Cinematographer Dave Thrasher Film Editing Shaheen Baig Casting Suzie Davies Production Design David Bowes Art Director Dan Taylor Art Director Marcus Wookey Art Director Lisa Chugg Set Decoration Amy Roberts Costume Design